CVE-2014-8638 describes a vulnerability in Mozilla Firefox, Firefox ESR, Thunderbird, and SeaMonkey versions prior to their respective patches. The flaw in the navigator.sendBeacon implementation omitted the CORS Origin header, enabling remote attackers to bypass Cross-Origin Resource Sharing (CORS) access-control checks. This could facilitate Cross-Site Request Forgery (CSRF) attacks through specially crafted websites. The vulnerability has a CVSS score of 6.8, indicating a medium severity. It can be exploited over the network with medium attack complexity and could lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness and attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
31.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:* | ||
31.1.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:* | ||
31.1.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.1.1:*:*:*:*:*:*:* | ||
31.3.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:31.3.0:*:*:*:*:*:*:* | ||
31.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_esr:31.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.